Radio frequency packet modem



FIG. 1 is a top, front, and right side perspective view of a radio frequency packet modem showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a rear elevational view thereof; and,

FIG. 4 is a left side elevational view thereof. 

The ornamental design for a radio frequency packet modem, as shown and described. 